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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1 US2020072946A1
GLARE MITIGATION IN LIDAR APPLICATIONS
Publication/Patent Number: US2020072946A1 Publication Date: 2020-03-05 Application Number: 16/555,556 Filing Date: 2019-08-29 Inventor: Fisher brent   Dehlinger, Dietrich   Assignee: Sense Photonics, Inc.   IPC: G01S7/481 Abstract: A Light Detection and Ranging (LIDAR) apparatus includes one or more optical elements configured to direct incident light in one or more directions, and a detector array including a plurality of detector pixels configured to output detection signals responsive to light provided thereto by the one or more optical elements. The light includes scattered light that is redirected relative to the one or more directions. A circuit is configured to receive the detection signals and generate corrected image data based on the detection signals and an expected spread function for the light. Related devices and methods of operation are also discussed.
2 US2020119522A1
DEVICES WITH ULTRA-SMALL VERTICAL CAVITY SURFACE EMITTING LASER EMITTERS INCORPORATING BEAM STEERING
Publication/Patent Number: US2020119522A1 Publication Date: 2020-04-16 Application Number: 16/654,538 Filing Date: 2019-10-16 Inventor: Burroughs, Scott   Fisher brent   Carter, James   Assignee: Sense Photonics, Inc.   IPC: H01S5/183 Abstract: A laser array includes a plurality of laser emitters arranged in a plurality of rows and a plurality of columns on a substrate that is non-native to the plurality of laser emitters, and a plurality of driver transistors on the substrate adjacent one or more of the laser diodes. A subset of the plurality of laser emitters includes a string of laser emitters that are connected such that an anode of at least one laser emitter of the subset is connected to a cathode of an adjacent laser emitter of the subset. A driver transistor of the plurality of driver transistors is configured to control a current flowing through the string.
3 EP3593163A1
DEVICES INCORPORATING INTEGRATED DECTORS AND ULTRA-SMALL VERTICAL CAVITY SURFACE EMITTING LASER EMITTERS
Publication/Patent Number: EP3593163A1 Publication Date: 2020-01-15 Application Number: 18785021.9 Filing Date: 2018-04-12 Inventor: Burroughs, Scott   Fisher brent   Carter, James   Assignee: Sense Photonics, Inc.   IPC: G01S7/481
4 EP3593423A1
BEAM SHAPING FOR ULTRA-SMALL VERTICAL CAVITY SURFACE EMITTING LASER (VCSEL) ARRAYS
Publication/Patent Number: EP3593423A1 Publication Date: 2020-01-15 Application Number: 18784395.8 Filing Date: 2018-04-12 Inventor: Burroughs, Scott   Fisher brent   Carter, James   Kanjorski, Russell   Assignee: Sense Photonics, Inc.   IPC: H01S5/183
5 EP3593422A1
ULTRA-SMALL VERTICAL CAVITY SURFACE EMITTING LASER (VCSEL) AND ARRAYS INCORPORATING THE SAME
Publication/Patent Number: EP3593422A1 Publication Date: 2020-01-15 Application Number: 18783963.4 Filing Date: 2018-04-12 Inventor: Burroughs, Scott   Fisher brent   Carter, James   Assignee: Sense Photonics, Inc.   IPC: H01S5/183
6 US10530130B2
Emitter structures for ultra-small vertical cavity surface emitting lasers (VCSELs) and arrays incorporating the same
Publication/Patent Number: US10530130B2 Publication Date: 2020-01-07 Application Number: 15/951,727 Filing Date: 2018-04-12 Inventor: Burroughs, Scott   Fisher brent   Carter, James   Assignee: Sense Photonics, Inc.   IPC: H01S5/183 Abstract: A laser diode includes a semiconductor structure of a lower Bragg reflector layer, an active region, and an upper Bragg reflector layer. The upper Bragg reflector layer includes a lasing aperture having an optical axis oriented perpendicular to a surface of the active region. The active region includes a first material, and the lower Bragg reflector layer includes a second material, where respective lattice structures of the first and second materials are independent of one another. Related laser arrays and methods of fabrication are also discussed.
7 US2020161835A1
EMITTER STRUCTURES FOR ULTRA-SMALL VERTICAL CAVITY SURFACE EMITTING LASERS (VCSELS) AND ARRAYS INCORPORATING THE SAME
Publication/Patent Number: US2020161835A1 Publication Date: 2020-05-21 Application Number: 16/693,666 Filing Date: 2019-11-25 Inventor: Burroughs, Scott   Fisher brent   Carter, James   Assignee: Sense Photonics, Inc.   IPC: H01S5/183 Abstract: A laser diode includes a semiconductor structure of a lower Bragg reflector layer, an active region, and an upper Bragg reflector layer. The upper Bragg reflector layer includes a lasing aperture having an optical axis oriented perpendicular to a surface of the active region. The active region includes a first material, and the lower Bragg reflector layer includes a second material, where respective lattice structures of the first and second materials are independent of one another. Related laser arrays and methods of fabrication are also discussed.
8 EP3593424A1
EMITTER STRUCTURES FOR ULTRA-SMALL VERTICAL CAVITY SURFACE EMITTING LASERS (VCSELS) AND ARRAYS INCORPORATING THE SAME
Publication/Patent Number: EP3593424A1 Publication Date: 2020-01-15 Application Number: 18784778.5 Filing Date: 2018-04-12 Inventor: Burroughs, Scott   Fisher brent   Carter, James   Assignee: Sense Photonics, Inc.   IPC: H01S5/183
9 WO2020023489A1
PHASE NOISE AND METHODS OF CORRECTION IN MULTI-FREQUENCY MODE LIDAR
Publication/Patent Number: WO2020023489A1 Publication Date: 2020-01-30 Application Number: 2019042999 Filing Date: 2019-07-23 Inventor: Dehlinger, Dietrich   Finkelstein, Hod   Fisher brent   Woodhouse, Neil   Assignee: SENSE PHOTONICS, INC.   IPC: G06T1/00 Abstract: A LIDAR apparatus includes an emitter array having a plurality of emitter pixels configured to emit optical signals, a detector array having a plurality of detector pixels configured to output detection signals responsive to light incident thereon, and a circuit that is coupled to the detector array. The circuit is configured to perform operations including receiving the detection signals output from the detector array, where each of the detection signals includes component measurements defining a respective phase vector, generating a combined vector based on the component measurements of a plurality of the detection signals, and identifying a distance range of a target from which the optical signals were reflected based on an angle of the combined vector. Related devices and methods of operation are also discussed.
10 WO2020033001A2
METHODS AND SYSTEMS FOR HIGH-RESOLUTION LONG-RANGE FLASH LIDAR
Publication/Patent Number: WO2020033001A2 Publication Date: 2020-02-13 Application Number: 2019017642 Filing Date: 2019-02-12 Inventor: Burroughs, Scott   Finkelstein, Hod   Fisher brent   Kanjorski, Russell   Assignee: SENSE PHOTONICS, INC.   IPC: Abstract: A Light Detection And Ranging (LIDAR) apparatus includes a pulsed light source to emit optical signals, a detector array comprising single-photon detectors to output respective detection signals indicating times of arrival of a plurality of photons incident thereon, and processing circuitry to receive the respective detection signals. The processing circuitry includes one or more of a recharge circuit configured to activate and deactivate subsets of the single photon detectors for respective strobe windows between pulses of the optical signals and at differing delays, a correlator circuit configured to output respective correlation signals representing detection of one or more of the photons having times of arrival within a predetermined correlation time relative to one another, and a time processing circuit comprising a counter circuit configured to increment a count value and a time integrator circuit configured to generate an integrated time value based on the respective correlation signals or detection signals.
11 EP3593425A1
DEVICES WITH ULTRA-SMALL VERTICAL CAVITY SURFACE EMITTING LASER EMITTERS INCORPORATING BEAM STEERING
Publication/Patent Number: EP3593425A1 Publication Date: 2020-01-15 Application Number: 18785094.6 Filing Date: 2018-04-12 Inventor: Burroughs, Scott   Fisher brent   Carter, James   Assignee: Sense Photonics, Inc.   IPC: H01S5/183
12 US2020057151A1
INTEGRATED LIDAR IMAGE-SENSOR DEVICES AND SYSTEMS AND RELATED METHODS OF OPERATION
Publication/Patent Number: US2020057151A1 Publication Date: 2020-02-20 Application Number: 16/542,696 Filing Date: 2019-08-16 Inventor: Finkelstein, Hod   Dehlinger, Dietrich   Burroughs, Scott   Fisher brent   Assignee: Sense Photonics, Inc.   IPC: G01S7/486 Abstract: A Light Detection and Ranging (LIDAR) apparatus includes a detector having a first pixel and a second pixel configured to output respective detection signals responsive to light incident thereon, and receiver optics configured to collect the light over a field of view and direct first and second portions of the light to the first and second pixels, respectively. The first pixel includes one or more time of flight (ToF) sensors, and the second pixel includes one or more image sensors. At least one of the receiver optics or arrangement of the first and second pixels in the detector is configured to correlate the first and second pixels such that depth information indicated by the respective detection signals output from the first pixel is correlated with image information indicated by the respective detection signals output from the second pixel. Related devices and methods of operation are also discussed.
13 US2020161834A1
BEAM SHAPING FOR ULTRA-SMALL VERTICAL CAVITY SURFACE EMITTING LASER (VCSEL) ARRAYS
Publication/Patent Number: US2020161834A1 Publication Date: 2020-05-21 Application Number: 16/691,757 Filing Date: 2019-11-22 Inventor: Burroughs, Scott   Fisher brent   Carter, James   Kanjorski, Russell   Assignee: Sense Photonics, Inc.   IPC: H01S5/183 Abstract: A laser array includes a plurality of laser diodes arranged and electrically connected to one another on a surface of a non-native substrate. Respective laser diodes of the plurality of laser diodes have different orientations relative to one another on the surface of the non-native substrate. The respective laser diodes are configured to provide coherent light emission in different directions, and the laser array is configured to emit an incoherent output beam comprising the coherent light emission from the respective laser diodes. The output beam may include incoherent light having a non-uniform intensity distribution over a field of view of the laser array. Related devices and fabrication methods are also discussed.
14 US10782002B2
LED optical components
Publication/Patent Number: US10782002B2 Publication Date: 2020-09-22 Application Number: 15/796,259 Filing Date: 2017-10-27 Inventor: Bower, Christopher   Meitl, Matthew   Cok, Ronald S.   Fisher brent   Assignee: X Display Company Technology Limited   IPC: F21V7/04 Abstract: A light-emitting diode (LED) optical component comprises a component substrate and an disposed on the component substrate. The LED emits light when provided with electrical power. An optical element is disposed at least partly in contact with the component substrate such that at least a portion of the emitted light is incident on the optical element. A second optical element can optionally be disposed between the LED and the component substrate or on a side of the component substrate opposite the LED. An LED optical system includes a system substrate on which one or more LED optical components are disposed. The system substrate can be or include one or more optical elements.
15 CA2955724C
RELIEF VALVE
Publication/Patent Number: CA2955724C Publication Date: 2019-07-30 Application Number: 2955724 Filing Date: 2017-01-23 Inventor: Fisher brent   Assignee: HAWKEYE INDUSTRIES INC.   IPC: F16K17/19 Abstract: A relief valve comprises a valve body, a pallet assembly, a relief pallet seat, a pilot pallet seat and a force element, The valve body has an interior in fluid communication with a container having a container pressure and an exterior exposed to an atmosphere. The pallet assembly has a relief pallet and a pilot pallet. A shaft connects the pilot pallet and relief pallet to space the pallets. The relief pallet seat extends from the valve body towards the valve body interior to seal against the relief pallet to seal the valve body. The pilot pallet seat extends from the valve body and away from the valve body interior to seal against the pilot pallet to form a reservoir between the pilot pallet, the pilot pallet seat and the valve body. The reservoir has an equalization port for fluid communication between the valve body and the reservoir.
16 US10208866B2
Relief valve
Publication/Patent Number: US10208866B2 Publication Date: 2019-02-19 Application Number: 15/413,391 Filing Date: 2017-01-23 Inventor: Fisher brent   Assignee: Hawkeye Industries Inc.   IPC: F16K17/12 Abstract: A relief valve comprises a valve body, a pallet assembly, a relief pallet seat, a pilot pallet seat and a force element. The valve body has an interior in fluid communication with a container having a container pressure and the valve body having an exterior exposed to an atmosphere. The pallet assembly has a relief pallet having a relief pressure bearing area, a pilot pallet having a pilot pressure bearing area, and a shaft connects the pilot pallet and relief pallet to space the pilot pallet from the relief pallet. The relief pallet seat extends from the valve body towards the interior of the valve body and is configured to seal against the relief pallet to seal the valve body. The pilot pallet seat extending from the valve body and away from the interior of the valve body and is configured to seal against the pilot pallet to form a reservoir between the pilot pallet, the pilot pallet seat and the valve body. The reservoir has an equalization port to provide fluid communication between the valve body and the reservoir.
17 US10418501B2
Wafer-integrated, ultra-low profile concentrated photovoltaics (CPV) for space applications
Publication/Patent Number: US10418501B2 Publication Date: 2019-09-17 Application Number: 15/282,116 Filing Date: 2016-09-30 Inventor: Fisher brent   Meitl, Matthew   Burroughs, Scott   Samarskiy, Miroslav   Assignee: X-Celeprint Limited   IPC: H01L31/0475 Abstract: A concentrator-type photovoltaic module includes a plurality of photovoltaic cells having respective surface areas of less than about 4 square millimeters (mm) electrically interconnected in series and/or parallel on a backplane surface, and an array of concentrating optical elements having respective aperture dimensions of less than about 30 mm and respective focal lengths of less than about 50 mm. The array of concentrating optical elements is positioned over the photovoltaic cells based on the respective focal lengths to concentrate incident light on the photovoltaic cells, and is integrated on the backplane surface by at least one spacer structure on the backplane surface. Related devices, operations, and fabrication methods are also discussed.
18 US10522973B2
Beam shaping for ultra-small vertical cavity surface emitting laser (VCSEL) arrays
Publication/Patent Number: US10522973B2 Publication Date: 2019-12-31 Application Number: 15/951,760 Filing Date: 2018-04-12 Inventor: Burroughs, Scott   Fisher brent   Carter, James   Kanjorski, Russell   Assignee: Sense Photonics, Inc.   IPC: H01S5/40 Abstract: A laser array includes a plurality of laser diodes arranged and electrically connected to one another on a surface of a non-native substrate. Respective laser diodes of the plurality of laser diodes have different orientations relative to one another on the surface of the non-native substrate. The respective laser diodes are configured to provide coherent light emission in different directions, and the laser array is configured to emit an incoherent output beam comprising the coherent light emission from the respective laser diodes. The output beam may include incoherent light having a non-uniform intensity distribution over a field of view of the laser array. Related devices and fabrication methods are also discussed.
19 US2019250257A1
METHODS AND SYSTEMS FOR HIGH-RESOLUTION LONG-RANGE FLASH LIDAR
Publication/Patent Number: US2019250257A1 Publication Date: 2019-08-15 Application Number: 16/273,783 Filing Date: 2019-02-12 Inventor: Burroughs, Scott   Kanjorski, Russell   Finkelstein, Hod   Fisher brent   Assignee: Sense Photonics, Inc.   IPC: G01S17/93 Abstract: A Light Detection And Ranging (LIDAR) apparatus includes a pulsed light source to emit optical signals, a detector array comprising single-photon detectors to output respective detection signals indicating times of arrival of a plurality of photons incident thereon, and processing circuitry to receive the respective detection signals. The processing circuitry includes one or more of a recharge circuit configured to activate and deactivate subsets of the single photon detectors for respective strobe windows between pulses of the optical signals and at differing delays, a correlator circuit configured to output respective correlation signals representing detection of one or more of the photons having times of arrival within a predetermined correlation time relative to one another, and a time processing circuit comprising a counter circuit configured to increment a count value and a time integrator circuit configured to generate an integrated time value based on the respective correlation signals or detection signals.
20 WO2019199645A1
AUTOMATIC GAIN CONTROL FOR LIDAR FOR AUTONOMOUS VEHICLES
Publication/Patent Number: WO2019199645A1 Publication Date: 2019-10-17 Application Number: 2019026283 Filing Date: 2019-04-08 Inventor: Burroughs, Scott   Finkelstein, Hod   Fisher brent   Kanjorski, Russell   Assignee: SENSE PHOTONICS, INC.   IPC: G05D1/02 Abstract: A LIDAR system includes an emitter array configured to illuminate a field of view, a detector array configured to image the field of view, and a control circuit. The emitter array includes one or more emitter elements that are configured to emit respective optical signals responsive to respective emitter control signals. The detector array includes one or more detector elements configured to output respective detection signals responsive to light incident thereon. The control circuit is configured to generate the respective emitter control signals based on the respective detection signals and respective spatial correlations of the one or more emitter elements and the one or more detector elements with respect to the field of view. Related devices and methods of operation are also discussed.